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Publication of BE685801ApublicationCriticalpatent/BE685801A/xx
F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
F03G1/00—Spring motors
F03G1/02—Spring motors characterised by shape or material of spring, e.g. helical, spiral, coil
F03G1/024—Spring motors characterised by shape or material of spring, e.g. helical, spiral, coil using helical springs
E—FIXED CONSTRUCTIONS
E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
E05Y2900/00—Application of doors, windows, wings or fittings thereof
E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
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Engineering & Computer Science
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Chemical & Material Sciences
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Combustion & Propulsion
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)